proresdsp: add idct_put_bayer

This commit adds a 12-bit DCT function to directly write to Bayer images. Will be used in the following commit.

Lynne committed 1 year ago

Commit 56748791 parent b2928972 files · +18 −0Browse files

Unified · Split

2 files

@@ -99,6 +99,15 @@ static inline void put_pixel(uint16_t dst, ptrdiff_t linesize, const int16_t i · 98 unmodified lines
99	99	}
100	100	}
101	101
	102	+static inline void put_pixel_bayer_12(uint16_t *dst, ptrdiff_t linesize,
	103	+ const int16_t *in)
	104	+{
	105	+ for (int y = 0; y < 8; y++, dst += linesize) {
	106	+ for (int x = 0; x < 8; x++)
	107	+ dst[x*2] = CLIP_12(in[(y << 3) + x]) << 4;
	108	+ }
	109	+}
	110	+
102	111	static void put_pixels_10(uint16_t dst, ptrdiff_t linesize, const int16_t in)
103	112	{
104	113	put_pixel(dst, linesize, in, 10);
@@ -121,6 +130,13 @@ static void prores_idct_put_12_c(uint16_t out, ptrdiff_t linesize, int16_t blo · 16 unmodified lines
121	130	put_pixels_12(out, linesize >> 1, block);
122	131	}
123	132
	133	+static void prores_idct_put_bayer_12_c(uint16_t *out, ptrdiff_t linesize,
	134	+ int16_t block, const int16_t qmat)
	135	+{
	136	+ prores_idct_12(block, qmat);
	137	+ put_pixel_bayer_12(out, linesize << 1, block);
	138	+}
	139	+
124	140	av_cold void ff_proresdsp_init(ProresDSPContext *dsp, int bits_per_raw_sample)
125	141	{
126	142	if (bits_per_raw_sample == 10) {
@@ -129,6 +145,7 @@ av_cold void ff_proresdsp_init(ProresDSPContext *dsp, int bits_per_raw_sample) · 2 unmodified lines
129	145	} else {
130	146	av_assert1(bits_per_raw_sample == 12);
131	147	dsp->idct_put = prores_idct_put_12_c;
	148	+ dsp->idct_put_bayer = prores_idct_put_bayer_12_c;
132	149	dsp->idct_permutation_type = FF_IDCT_PERM_NONE;
133	150	}
134	151

@@ -30,6 +30,7 @@ typedef struct ProresDSPContext { · 29 unmodified lines
30	30	int idct_permutation_type;
31	31	uint8_t idct_permutation[64];
32	32	void (idct_put)(uint16_t out, ptrdiff_t linesize, int16_t block, const int16_t qmat);
	33	+ void (idct_put_bayer)(uint16_t out, ptrdiff_t linesize, int16_t block, const int16_t qmat);
33	34	} ProresDSPContext;
34	35
35	36	void ff_proresdsp_init(ProresDSPContext *dsp, int bits_per_raw_sample);

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